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SFD related costs (Tables)
 12 Months Ended
Dec. 31, 2022
SFD related costs  
Survey Expenses

For the years ended December 31,

 

 

2022

 

 

2021

 

 

2020

 

Aircraft Operations

 

 

 

 

 

 

 

 

 

Charter Hire Reimbursements

 

$-

 

 

$(389,513)

 

$(662,383)

Lease payments

 

 

404,777

 

 

 

412,742

 

 

 

453,101

 

Operating Expenses

 

 

773,406

 

 

 

1,085,640

 

 

 

1,320,352

 

 

 

 

1,178,183

 

 

 

1,108,869

 

 

 

1,111,070

 

Survey Projects

 

 

-

 

 

 

115,299

 

 

 

-

 

 

 

 

1,178,183

 

 

 

1,224,168

 

 

 

1,111,070